Warning werkzeug.contrib.profiler has moved to werkzeug.middleware.profiler. The old import is deprecated as of version 0.15 and will be removed in version 1.0. class werkzeug.contrib.profiler.MergeStream(*streams)¶ An object that redirects write calls to multiple streams. Use this to log to both sys.stdout and a file: f = open('profiler.log', 'w') stream = MergeStream(sys.stdout, f) profiler = Pr